TWI568918B - Shaping device, chain unit and chain carrier - Google Patents

Description

Screen window device, chain unit and chain carrier

The present invention relates to a screen window device, a chain unit and a chain carrier, and more particularly to a structure for use on a yarn web.

Conventionally, curtain devices having various configurations have been commonly used in opening and closing devices and compartments of window openings such as houses and office buildings. Its representative structure includes curtains, blinds, movable compartments and screens.

Please refer to FIG. 1 and FIG. 2 , which are currently known curtain devices (Taiwan Publication No. 200508475), which mainly include the following configurations, having a left-right opposite arrangement and at least one side being slidable along the guide rails. The frame portion (10) is attached to the curtain, and the curtain (20) is retractably and expandably mounted between the two curtain mounting frame portions (10). The curtain (20) is formed of a cloth, a net, a sheet, or the like, and is contracted and unfolded as the curtain mounting frame portion (40) slides. The curtain is more suitable for having multiple folds.

Further, in the curtain device, a slide frame portion (30) for guiding the slip of the curtain mounting frame portion is provided at one end portion or both end portions of either one of the upper and lower sides of the curtain. The sliding frame portion (30) is formed by being connected by a rigid unit (31). The rigid unit (31) has a pair of side wall portions (32) disposed opposite to each other and a bridge portion (33) connecting the pair of side wall portions (32). The rigid unit (31) may include, for example, a protrusion (320) that protrudes outward on one end side of the side wall portion (32), and a through hole (321) that is engageable with the protrusion on the other end side. Between the adjacent rigid units (31), the protrusions (320) are embedded in the through holes (321) from the back side of the side wall portion (32), so that the rigid unit (31) is shaped The joints are connected, and the adjacent rigid units (31) are rotatable freely, so that the sliding frame portion (30) has a bending property.

Although the above-mentioned conventional techniques are widely used in the industry, there are still some shortcomings in the prior art. For example, in the assembly of the rigid unit (31), the side wall portions (32) on both sides need to be pulled outward, and then combined on the adjacent rigid unit (31). However, when the side wall portion (32) is pulled, the side wall portion (32) is deformed, and further, when the user pulls, it is likely to fall off.

Based on years of research and development and many practical experiences, the inventors have proposed a screen window device, a chain unit and a chain carrier as an improvement scheme.

In view of the above-mentioned problems of the prior art, it is an object of the present invention to provide a screen unit, a chain unit and a chain carrier to meet the market demand for gradually increasing product requirements.

According to the invention, a screen device, a chain unit and a chain carrier, the screen device comprises a skeleton having at least one movable frame; a gauze, as in the skeleton; and a chain unit disposed on the gauze On one side, at least one end of the chain unit can be a free end, which can enter and exit the skeleton or the inner side of the movable frame, and the chain unit comprises: at least two chain carriers, the chain carrier is provided with a groove portion and a flange portion One of the flange carriers is embedded in the groove portion of the other chain carrier, so that the chain carrier can rotate relative to each other, so that the chain unit can perform bending operation.

A chain unit according to the invention, comprising at least two chain loads The chain carrier is provided with a groove portion and a flange portion, and one of the chain carriers is embedded in the groove portion of the other chain carrier.

A chain carrier according to the present invention includes: a base; and two side wall portions, the side wall portions are disposed on two sides of the base, and a flange portion and a groove portion are respectively disposed at two ends of the base.

For a better understanding and understanding of the technical features and the efficacies of the present invention, the preferred embodiments and the detailed description are as follows.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the embodiments of a screen device, a chain unit, and a chain carrier according to the present invention will be described with reference to the accompanying drawings. For the sake of understanding, the same elements in the following embodiments are denoted by the same reference numerals.

Referring to Figures 3 through 7, the present invention relates to a screen device, a chain unit and a chain carrier. The screen device comprises a skeleton (40), a gauze (50) and a chain unit (60). At least one movable frame (42) or skeleton (40) is disposed in the skeleton (40) as at least one movable frame (42) (not labeled). The gauze (50) is placed on the skeleton (40) for unfolding or folding, and the gauze (50) may be formed of cloth, net, sheet, or the like. At least one end of the chain unit (60) is a free end that can enter the inside of the skeleton (40) or the movable frame (42).

The chain unit (60) comprises at least two chain carriers (61), the chain carrier (61) mainly comprises a base (610) and two sides a wall portion (611), the two side wall portions (611) are disposed on two sides of the base (610) to prevent dust or mosquitoes from entering, and the two ends of the base (610) are respectively provided with a flange portion ( 612) and a groove portion (613), and one of the flange portions (612) of the chain carrier (61) is embedded (engaged, hooked or tightly fitted) to the recess of the other chain carrier (61) Slot portion (613).

The flange portion (612) of the embodiment is of a flexible material, and has a locking portion (6120) at the end of the flange portion (612), and the locking portion (6120) of the embodiment is presented as a hook. The groove portion (613) is in a form that can fit the flange portion (612). Furthermore, the adjacent side wall portions (611) are mutually corresponding so that the whole body does not interfere with each other when the operation is performed, and the both end faces of the side wall portion (611) of the embodiment can be respectively formed into a concave arc shape. And an outward convex arc shape, thereby achieving the purpose of not interfering with each other.

When the user wants to unfold or fold the gauze (50), the slidable movable frame (42) will be pulled and the chain unit (60) can be pulled out synchronously from the skeleton (50) or the movable frame (42) or Push in (this embodiment takes the skeleton as an example). However, the chain unit (60) will pass through a bend when being pulled or pushed into the skeleton (40) or the movable frame (42), and the flange portion (612) is a flexible material, so this can be utilized. The nature of the flange portion (612) is deformed such that the relative angle between the chain carriers (61) changes to perform the bending action. Furthermore, the end faces of the side wall portions (611) between each chain carrier (61) respectively have a concave arc shape and a convex arc shape, thereby achieving the purpose of not interfering with each other. Pull out or push in.

Please refer to FIG. 8 to FIG. 11 , which are the present invention. The second preferred embodiment, the present embodiment will only be described differently from the first embodiment, and will not be described again in the same place. The flange portion (612) of the chain unit (60) of the embodiment is also a flexible material, and also has a locking portion (6120) at the end of the flange portion (612), which is different in this embodiment. The card portion (6120) is spherical, and the groove portion (613) is in a form that can fit the flange portion (612).

Please refer to FIG. 12 and FIG. 13 , which are the third preferred embodiment of the present invention. This embodiment will only describe the differences from the first and second embodiments, and the same will not be the same. Let me repeat. The chain carrier (61) of the present embodiment does not have the side wall portion (611) as in the foregoing embodiment (see Fig. 4 for the pattern of the side wall portion). Although the present embodiment does not have the side wall portion (611) described in the foregoing embodiment, the present embodiment can also be used in the bending portion when the chain unit (60) is moved by an external force as in the foregoing embodiment. Flexible state. Wherein, when the flange portion (612) is a flexible material like the first and second embodiments, the flange portion (612) can be deformed by this property to make the relative angle between the chain carriers (61) A change is made to make a bending action.

Please refer to FIG. 14 to FIG. 17, which are the fourth preferred embodiment of the present invention, and the present embodiment will only describe differences from the foregoing embodiments, and the same portions will not be described again. The flange portion (612) of the embodiment is not a flexible material, and has a pivot portion (6121) at the end of the flange portion (612), and the pivot portion (6121) of the embodiment is presented as a cylinder. The groove portion (613) is in a form that can fit the flange portion (612). The chain unit (60) will pass through a bend when being pulled or pushed into the skeleton (40) or the movable frame (42), and the chain carrier (61) can be passed through the pivoting portion (6121) and the groove portion. (613) As the axis, the relative angle between the chain carriers (61) is changed to perform the bending action. The inner surface of the groove portion (613) may be formed with a stopper portion (6130) for preventing the pivot portion (6121) from being inserted into the groove portion (613) by the stopper portion (6130). The pivoting portion (6121) is separated from the groove portion (613).

Please refer to FIG. 18 to FIG. 21, which are the fifth preferred embodiment of the present invention, and the present embodiment will only describe differences from the fourth embodiment, and the same portions will not be described again. The chain unit (60) of the embodiment also has a pivoting portion (6121) at the end of the flange portion (612), the difference being that the pivoting portion (6121) of the embodiment exhibits a biconvex shape, and The groove portion (613) is in a form that can fit the flange portion (612), and the groove portion (613) has a pivot hole (6131) that can be coupled with the pivot portion (6121).

Please refer to FIG. 22 and FIG. 23, which are the sixth preferred embodiment of the present invention. This embodiment will only describe the differences from the fourth and fifth embodiments, and the same will not be the same. Let me repeat. The chain carrier (61) of the present embodiment does not have the side wall portion (611) as in the foregoing embodiment (see Fig. 14 for the pattern of the side wall portion). Although the present embodiment does not have the side wall portion (611) described in the foregoing embodiment, the present embodiment can also be used in the bending portion when the chain unit (60) is moved by an external force as in the foregoing embodiment. Flexible state. Wherein, when the flange portion (612) and the groove portion (613) are pivotally rotated by the two as in the fourth and fifth embodiments, the relative angle between the chain carriers (61) is changed to bend Actuate.

In view of the above, a screen device, chain unit and chain carrier of the present invention may have one or more of the following advantages: The present invention mainly utilizes the flange portion to be embedded in the groove portion, and it is not necessary to pull the side wall portions on both sides to the outside as in the prior art, and then combine them on the adjacent rigid unit. In order to avoid the problem that the side wall portion is deformed when the side wall portion is pulled, the user may easily fall off when pulling.

The invention has been described in detail above, but the foregoing is only a preferred embodiment of the invention, and is not intended to limit the scope of the invention. That is, the equivalent changes and modifications made by the scope of the present application should remain within the scope of the patent of the present invention.

10‧‧‧ Curtain installation frame

20‧‧‧ Curtain

30‧‧‧Sliding frame

31‧‧‧Rigid unit

32‧‧‧ Side wall

320‧‧‧ Protrusion

321‧‧‧through holes

33‧‧‧Bridge Department

40‧‧‧ skeleton

42‧‧‧ activity box

50‧‧‧ gauze

60‧‧‧Chain unit

61‧‧‧Chain carrier

610‧‧‧Base

611‧‧‧ Sidewall

612‧‧‧Flange

6120‧‧‧Card Department

6121‧‧‧Pivot

613‧‧‧ Groove

6130‧‧‧stops

6131‧‧‧Pivot hole

1 is a schematic perspective view of a prior art curtain device; FIG. 2 is a perspective view of a rigid unit of the prior art; FIG. 3 is a perspective view of the screen device of the present invention; Schematic diagram of a chain unit of a preferred embodiment; FIG. 5 is a schematic view of a chain unit according to a first preferred embodiment of the present invention; and FIG. 6 is a schematic cross-sectional view of a chain unit according to a first preferred embodiment of the present invention; Figure 7 is a cross-sectional view of the chain unit of the first preferred embodiment of the present invention; Figure 8 is a schematic exploded view of the chain unit of the second preferred embodiment of the present invention; 9 is a schematic view of a chain unit combination according to a second preferred embodiment of the present invention; FIG. 10 is a cross-sectional view of the chain unit of the second preferred embodiment of the present invention; FIG. 11 is the second best embodiment of the present invention. FIG. 12 is a schematic exploded view of a chain unit according to a third preferred embodiment of the present invention; and FIG. 13 is a schematic view of a chain unit combination according to a third preferred embodiment of the present invention; FIG. The present invention is a schematic view of a chain unit according to a fourth preferred embodiment of the present invention; FIG. 15 is a schematic view of a chain unit according to a fourth preferred embodiment of the present invention; and FIG. 16 is a chain of a fourth preferred embodiment of the present invention. 1 is a schematic cross-sectional view of a chain unit according to a fourth preferred embodiment of the present invention; and FIG. 18 is a schematic exploded view of the chain unit of the fifth preferred embodiment of the present invention; BRIEF DESCRIPTION OF THE DRAWINGS FIG. 20 is a schematic cross-sectional view of a chain unit according to a fifth preferred embodiment of the present invention; FIG. Figure 21 is a cross-sectional view of a chain unit according to a fifth preferred embodiment of the present invention; Figure 22 is an exploded view of the chain unit of the sixth preferred embodiment of the present invention; and Figure 23 is the sixth best embodiment of the present invention; A schematic diagram of the combination of chain units of the embodiments.

61‧‧‧Chain carrier

610‧‧‧Base

611‧‧‧ Sidewall

612‧‧‧Flange

6120‧‧‧Card Department

613‧‧‧ Groove

Claims (8)

A chain unit of a screen device includes: at least two chain carriers, the chain carrier mainly includes a base, and the two adjacent bases of the chain carrier are respectively provided with a groove portion and a flange portion, and the flange portion The flange portion is embedded in the groove portion of the other chain carrier. A chain carrier for a screen device comprises: a base, a flange portion and a groove portion respectively defined at the front and rear ends of the base, and the flange portion can be embedded in the groove portion. The chain carrier according to claim 1 or 2, wherein the chain carrier further comprises two side wall portions, the side wall portions being disposed on both sides of the base. The chain carrier according to claim 1 or 2, wherein the end of the flange portion has a carding portion. The chain carrier of claim 1 or 2, wherein the flange portion is a flexible material. The chain carrier of claim 4, wherein the card portion is in the form of a hook. The chain carrier of claim 4, wherein the card portion is spherical. The chain carrier according to claim 1 or 2, wherein the end of the flange portion has a pivot portion.